74874880

素因数分解:

$2^{15}\times 5^1\times {\mathrm{457}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 180090180

約数和(自身を除く): 105215300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 457, 512, 640, 914, 1024, 1280, 1828, 2048, 2285, 2560, 3656, 4096, 4570, 5120, 7312, 8192, 9140, 10240, 14624, 16384, 18280, 20480, 29248, 32768, 36560, 40960, 58496, 73120, 81920, 116992, 146240, 163840, 233984, 292480, 467968, 584960, 935936, 1169920, 1871872, 2339840, 3743744, 4679680, 7487488, 9359360, 14974976, 18718720, 37437440, 74874880]

約数ペア:

[(1, 74874880), (2, 37437440), (4, 18718720), (5, 14974976), (8, 9359360), (10, 7487488), (16, 4679680), (20, 3743744), (32, 2339840), (40, 1871872), (64, 1169920), (80, 935936), (128, 584960), (160, 467968), (256, 292480), (320, 233984), (457, 163840), (512, 146240), (640, 116992), (914, 81920), (1024, 73120), (1280, 58496), (1828, 40960), (2048, 36560), (2285, 32768), (2560, 29248), (3656, 20480), (4096, 18280), (4570, 16384), (5120, 14624), (7312, 10240), (8192, 9140)]